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Finding the Fourth Proportional to 541,121.60, 811,797.60 and 167,182.40

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Solution

The fourth proportional to 541,121.60, 811,797.60 and 167,182.40 is: 250,809.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,121.60 : 811,797.60 = 167,182.40 : x
  2. Step 2: Convert to fraction form
    541,121.60/811,797.60 = 167,182.40/x
  3. Step 3: Cross multiply
    541,121.60x = 811,797.60 × 167,182.40
  4. Step 4: Simplify right side
    541,121.60x = 135,718,271,082.24
  5. Step 5: Solve for x
    x = 135,718,271,082.24/541,121.60
  6. Step 6: Final answer
    x = 250,809.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.